sectoprat | e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0

Analysis

max time kernel
145s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
28-04-2024 04:16

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General

Target

e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe
Size

455KB
MD5

0429a2508bea2a3e102e241eece51deb
SHA1

0d5a6d3d38fb812bbe68da9bace93e2c838206ff
SHA256

e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0
SHA512

55b3571422cc25a4ae7d362a26e93d13cacaf546068c00561f370fb14e8efc75b26c893c0132f1982da9ce03f12ed18722a67a1a3acd747fa0b9143bd0e24d14
SSDEEP

6144:dndKNo69iOHScmTvdTtWxM0xJe5oTBCLV9n7s3ODE:dnsN9SJZTtWxM0T3cnI3wE

Score

10^/10

sectoprat stealc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

stealc

http://185.172.128.76

Attributes

url_path
/8681490a59ad0e34.php

Signatures

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat
SectopRAT payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/744-204-0x0000000000B00000-0x0000000000BC6000-memory.dmp family_sectoprat
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

u3bk.0.exerun.exe

pid process

4196 u3bk.0.exe
4076 run.exe
Loads dropped DLL 3 IoCs

Processes:

run.exeu3bk.0.exe

pid process

4076 run.exe
4196 u3bk.0.exe
4196 u3bk.0.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 2 IoCs

Processes:

run.execmd.exe

description pid process target process

PID 4076 set thread context of 3496 4076 run.exe cmd.exe
PID 3496 set thread context of 744 3496 cmd.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1604 4304 WerFault.exe e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe
4072 4196 WerFault.exe u3bk.0.exe

resource	yara_rule
behavioral2/memory/744-204-0x0000000000B00000-0x0000000000BC6000-memory.dmp	family_sectoprat

pid	process
4196	u3bk.0.exe
4076	run.exe

pid	process
4076	run.exe
4196	u3bk.0.exe
4196	u3bk.0.exe

description	pid	process	target process
PID 4076 set thread context of 3496	4076	run.exe	cmd.exe
PID 3496 set thread context of 744	3496	cmd.exe	MSBuild.exe

pid	pid_target	process	target process
1604	4304	WerFault.exe	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe
4072	4196	WerFault.exe	u3bk.0.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

u3bk.0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u3bk.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u3bk.0.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

u3bk.0.exerun.execmd.exeMSBuild.exe

pid process

4196 u3bk.0.exe
4196 u3bk.0.exe
4076 run.exe
4076 run.exe
3496 cmd.exe
3496 cmd.exe
4196 u3bk.0.exe
4196 u3bk.0.exe
744 MSBuild.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

run.execmd.exe

pid process

4076 run.exe
3496 cmd.exe
3496 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 744 MSBuild.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

run.exeMSBuild.exe

pid process

4076 run.exe
4076 run.exe
744 MSBuild.exe

pid	process
4196	u3bk.0.exe
4196	u3bk.0.exe
4076	run.exe
4076	run.exe
3496	cmd.exe
3496	cmd.exe
4196	u3bk.0.exe
4196	u3bk.0.exe
744	MSBuild.exe

pid	process
4076	run.exe
3496	cmd.exe
3496	cmd.exe

description	pid	process
Token: SeDebugPrivilege	744	MSBuild.exe

pid	process
4076	run.exe
4076	run.exe
744	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exerun.execmd.exe

description	pid	process	target process
PID 4304 wrote to memory of 4196	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	u3bk.0.exe
PID 4304 wrote to memory of 4196	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	u3bk.0.exe
PID 4304 wrote to memory of 4196	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	u3bk.0.exe
PID 4304 wrote to memory of 4076	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	run.exe
PID 4304 wrote to memory of 4076	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	run.exe
PID 4304 wrote to memory of 4076	4304	e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe	run.exe
PID 4076 wrote to memory of 3496	4076	run.exe	cmd.exe
PID 4076 wrote to memory of 3496	4076	run.exe	cmd.exe
PID 4076 wrote to memory of 3496	4076	run.exe	cmd.exe
PID 4076 wrote to memory of 3496	4076	run.exe	cmd.exe
PID 3496 wrote to memory of 744	3496	cmd.exe	MSBuild.exe
PID 3496 wrote to memory of 744	3496	cmd.exe	MSBuild.exe
PID 3496 wrote to memory of 744	3496	cmd.exe	MSBuild.exe
PID 3496 wrote to memory of 744	3496	cmd.exe	MSBuild.exe
PID 3496 wrote to memory of 744	3496	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe
"C:\Users\Admin\AppData\Local\Temp\e5a69b72c08c90359f21671f9a052c37aebdf07fa9481fd6f3cb10a7ffd3a6c0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4304

C:\Users\Admin\AppData\Local\Temp\u3bk.0.exe
"C:\Users\Admin\AppData\Local\Temp\u3bk.0.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 2412
3⤵
- Program crash
PID:4072

C:\Users\Admin\AppData\Local\Temp\u3bk.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u3bk.2\run.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3496

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 1208
2⤵
- Program crash
PID:1604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4304 -ip 4304
1⤵
PID:4640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4196 -ip 4196
1⤵
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\Are.docx
Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\8dc0401d
Filesize
1.4MB

MD5
2a73cc598650355c3704b94308f5e84d

SHA1
05749b27e42603741f353d048864ab8f9e3890f8

SHA256
0a1c7854f97a1e7db8fb778855cc3844b3b7675dc610ce45439d04787c30005a

SHA512
43516ca37bf29478b9c88427e4d1ae91b761240c5b84e13f8f9aae0f54a197e67d7812106dbf6d42b41416432f65f862bc95a6e70a5628485f36b4d705d375a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE0FB.tmp
Filesize
20KB

MD5
42c395b8db48b6ce3d34c301d1eba9d5

SHA1
b7cfa3de344814bec105391663c0df4a74310996

SHA256
5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d

SHA512
7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE11D.tmp
Filesize
20KB

MD5
22be08f683bcc01d7a9799bbd2c10041

SHA1
2efb6041cf3d6e67970135e592569c76fc4c41de

SHA256
451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

SHA512
0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.0.exe
Filesize
311KB

MD5
39351fae1fa6e6227941ebc2b7a7fc75

SHA1
352bd5b4f4373546dfe9576dbd02b158589dbd0a

SHA256
a2fd8a297495243eb602d0cc696445e264ae83b2896f35e1b7cf2232337fd6a9

SHA512
04c17b9e4417a9cc61df2841efbedbb4c9ba9f3c0e165e1d3c75643bb265135a41c83c19278da0d11fa0547af29e1da1162d0904f2cb2cf89a18f7354a6640dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.1.zip
Filesize
3.7MB

MD5
78d3ca6355c93c72b494bb6a498bf639

SHA1
2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

SHA256
a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

SHA512
1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.2\UIxMarketPlugin.dll
Filesize
1.6MB

MD5
d1ba9412e78bfc98074c5d724a1a87d6

SHA1
0572f98d78fb0b366b5a086c2a74cc68b771d368

SHA256
cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

SHA512
8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.2\bunch.dat
Filesize
1.3MB

MD5
1e8237d3028ab52821d69099e0954f97

SHA1
30a6ae353adda0c471c6ed5b7a2458b07185abf2

SHA256
9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

SHA512
a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.2\relay.dll
Filesize
1.5MB

MD5
10d51becd0bbce0fab147ff9658c565e

SHA1
4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

SHA256
7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

SHA512
29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.2\run.exe
Filesize
2.4MB

MD5
9fb4770ced09aae3b437c1c6eb6d7334

SHA1
fe54b31b0db8665aa5b22bed147e8295afc88a03

SHA256
a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

SHA512
140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3bk.2\whale.dbf
Filesize
85KB

MD5
a723bf46048e0bfb15b8d77d7a648c3e

SHA1
8952d3c34e9341e4425571e10f22b782695bb915

SHA256
b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

SHA512
ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

Download Submit
memory/744-206-0x0000000005910000-0x0000000005EB6000-memory.dmp

Filesize
5.6MB

Download
memory/744-201-0x0000000072BA0000-0x0000000073EB7000-memory.dmp

Filesize
19.1MB

Download
memory/744-232-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/744-213-0x0000000006080000-0x00000000060E6000-memory.dmp

Filesize
408KB

Download
memory/744-212-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

Filesize
120KB

Download
memory/744-211-0x00000000064F0000-0x0000000006A1C000-memory.dmp

Filesize
5.2MB

Download
memory/744-210-0x0000000002DB0000-0x0000000002DBA000-memory.dmp

Filesize
40KB

Download
memory/744-209-0x00000000053E0000-0x0000000005430000-memory.dmp

Filesize
320KB

Download
memory/744-208-0x0000000005360000-0x00000000053D6000-memory.dmp

Filesize
472KB

Download
memory/744-207-0x0000000005700000-0x00000000058C2000-memory.dmp

Filesize
1.8MB

Download
memory/744-205-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/744-204-0x0000000000B00000-0x0000000000BC6000-memory.dmp

Filesize
792KB

Download
memory/3496-199-0x00000000725B0000-0x000000007272D000-memory.dmp

Filesize
1.5MB

Download
memory/3496-190-0x00007FFEC1640000-0x00007FFEC1849000-memory.dmp

Filesize
2.0MB

Download
memory/4076-143-0x00000000725B0000-0x000000007272D000-memory.dmp

Filesize
1.5MB

Download
memory/4076-179-0x00000000725B0000-0x000000007272D000-memory.dmp

Filesize
1.5MB

Download
memory/4076-144-0x00007FFEC1640000-0x00007FFEC1849000-memory.dmp

Filesize
2.0MB

Download
memory/4196-13-0x0000000001B50000-0x0000000001C50000-memory.dmp

Filesize
1024KB

Download
memory/4196-192-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4196-14-0x0000000003600000-0x0000000003627000-memory.dmp

Filesize
156KB

Download
memory/4196-15-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4196-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4196-198-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4304-2-0x0000000003770000-0x00000000037DD000-memory.dmp

Filesize
436KB

Download
memory/4304-154-0x0000000003770000-0x00000000037DD000-memory.dmp

Filesize
436KB

Download
memory/4304-150-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/4304-3-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/4304-1-0x0000000001CD0000-0x0000000001DD0000-memory.dmp

Filesize
1024KB

Download